Error 80070525 occurs when you use Xbox Live

Problem

You were trying to sign in to Xbox Live using a Microsoft account that has no security proofs associated with it and that isn't usually associated with the Xbox console that you’re using.

Note A security proof is a contact point (such as an email address or a phone number) that Microsoft can use to reach you to confirm account ownership if we have concerns about the security of your account. Learn more about security proofs at Overview of Microsoft account security proofs.